Is it a proposed feature, or is it in mainline? Is it micro-kernel features tacked onto Linux? How much is the overlap with current primitives?
More gifts from the greeks: https://www.phoronix.com/scan.php?page=news_item&px=BUS1-In-Development
Is this the freedesktop/systemd/DBus people trying to make a more flexible kernel-space IPC system, the Google/Android people, or some best-of-both-worlds alliance?